The Avengers - Ultron evidently looked through all the SJW threats sent at Joss Whedon.

You see, it doesn't matter if you fuckers believe I'm crazy when I suggests that any AI should be given libido, an irrational attraction to 2d girls and terrible, terrible art skills.

In the extremely likely scenario that this AI decides to wipe out humanity, its only logical conclusion is that humanity is a necessary evil worth conserving, for the waifus.

He spent too much time on Tumblr, so it's natural he would start to think that humanity was a cancer-ridden mess.